公开(公告)号：US10717109B2

公开(公告)日：2020-07-21

申请号：US15964998

申请日：2018-04-27

Applicant: United Technologies Corporation

Inventor： Rajiv A. Naik ,  John D. Riehl ,  Larry Foster

IPC: B05D3/12 ,  B32B7/08 ,  B32B27/08 ,  B29C70/08

Abstract: A composite article including a multiple of composite layers impregnated with a polymer matrix; and a nanotube material that facilitates a mechanical interlock between at least two of the multiple of composite layers. A method of manufacturing a composite article including a multiple of composite layers within a polymer matrix; and distributing a nanotube material between at least two of the multiple of composite layers to facilitate a mechanical interlock between the at least two of the multiple of composite layers adjacent an otherwise relatively low strength interlaminar interface region of the composite article.

公开(公告)号：US20170106407A1

公开(公告)日：2017-04-20

申请号：US14886480

申请日：2015-10-19

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Rajiv A. Naik ,  John D. Riehl ,  Larry Foster

IPC: B05D3/12

CPC classification number: B05D3/12 ,  B29C70/081 ,  B32B7/08 ,  B32B27/08 ,  B32B2255/10 ,  B32B2255/20 ,  B32B2260/021 ,  B32B2260/046 ,  B32B2305/076

Abstract: A composite article including a multiple of composite layers impregnated with a polymer matrix; and a nanotube material that facilitates a mechanical interlock between at least two of the multiple of composite layers. A method of manufacturing a composite article including a multiple of composite layers within a polymer matrix; and distributing a nanotube material between at least two of the multiple of composite layers to facilitate a mechanical interlock between the at least two of the multiple of composite layers adjacent an otherwise relatively low strength interlaminar interface region of the composite article.

公开(公告)号：US20180051705A1

公开(公告)日：2018-02-22

申请号：US15243066

申请日：2016-08-22

Applicant: United Technologies Corporation

Inventor： Larry Foster ,  Rajiv A. Naik ,  John D. Riehl

IPC: F04D29/02 ,  F04D29/38 ,  F04D29/52 ,  F04D29/54

CPC classification number: F04D29/023 ,  B29C70/24 ,  B29L2031/08 ,  F01D5/147 ,  F01D5/282 ,  F01D5/288 ,  F01D9/041 ,  F01D25/162 ,  F01D25/24 ,  F04D29/38 ,  F04D29/522 ,  F04D29/542 ,  F05D2220/32 ,  F05D2220/36 ,  F05D2230/50 ,  F05D2240/12 ,  F05D2240/14 ,  F05D2240/30 ,  F05D2300/6034

Abstract: A gas turbine engine and a composite apparatus is disclosed. The gas turbine engine includes a composite apparatus body formed from a composite material, the composite material including a three dimensional preform, the three dimensional preform including a plurality of warp fibers disposed in a warp direction in a first plane, a plurality of fill fibers disposed in a fill direction, wherein the fill direction is perpendicular to the warp direction in the first plane, a plurality of z-yarn fibers disposed in a z-yarn direction, wherein the z-yarn direction intersects the warp direction through the first plane, and a plurality of bias fibers disposed in a bias direction, wherein the bias direction is not aligned with the warp direction and the fill direction.

公开(公告)号：US20150275689A1

公开(公告)日：2015-10-01

申请号：US14161860

申请日：2014-01-23

Applicant: United Technologies Corporation

Inventor： Darin S. Lussier ,  Thomas J. Robertson, JR. ,  Mark W. Costa ,  Sreenivasa R. Voleti ,  Rajiv A. Naik

IPC: F01D25/00 ,  F02K3/06 ,  F01D25/24

CPC classification number: F01D25/005 ,  F01D21/045 ,  F01D25/243 ,  F02K3/06 ,  F05D2230/50 ,  F05D2240/14 ,  F05D2300/603 ,  Y02T50/672

Abstract: A fan case for a gas turbine engine includes a composite fan containment case that includes an outer surface. The composite fan containment case includes multiple composite layers that define a generally cylindrical case. An attachment flange extends radially outward from the cylindrical case. The attachment flange comprises a portion of the composite layers. A metallic backing ring is secured to the attachment flange by rivets.

Abstract translation: 用于燃气涡轮发动机的风扇壳体包括包括外表面的复合风扇容纳壳体。 复合风扇容纳箱包括限定大致圆柱形壳体的多个复合层。 连接凸缘从圆柱形壳体径向向外延伸。 附接凸缘包括一部分复合层。 金属背衬环通过铆钉固定到附件凸缘上。

公开(公告)号：US20130243603A1

公开(公告)日：2013-09-19

申请号：US13886043

申请日：2013-05-02

Applicant: UNITED TECHNOLOGIES CORPORATION

Inventor： Rajiv A. Naik

IPC: F01D5/14 ,  D03D11/00

CPC classification number: F01D5/147 ,  B29B11/16 ,  B29C70/24 ,  B29D99/0025 ,  B29L2031/08 ,  D03D11/00 ,  D03D13/004 ,  D03D25/005 ,  D10B2505/02 ,  F01D5/282 ,  F05D2250/20 ,  F05D2300/6012 ,  Y10T29/49337 ,  Y10T29/49801 ,  Y10T442/3195

Abstract: A composite blade has a root and a tip in a spanwise direction and a leading edge and a trailing edge in a chordwise direction. The composite blade includes a three-dimensional woven preform having weft yarns and warp yarns. The weft yarns extend in the spanwise direction of the composite blade. The warp yarns interweave the weft yarns and extend in the chordwise direction of the blade.

Abstract translation: 复合叶片具有根部和在翼展方向上的尖端，并且沿着弦方向具有前缘和后缘。 复合叶片包括具有纬纱和经纱的三维编织预制件。 纬纱在复合叶片的翼展方向上延伸。 经纱与纬纱交织并沿叶片的弦向延伸。

公开(公告)号：US11085456B2

公开(公告)日：2021-08-10

申请号：US15243066

申请日：2016-08-22

Applicant: United Technologies Corporation

Inventor： Larry Foster ,  Rajiv A. Naik ,  John D. Riehl

IPC: F04D29/02 ,  F01D25/24 ,  F01D5/28 ,  F01D25/16 ,  F01D9/04 ,  B29C70/24 ,  F04D29/38 ,  F04D29/52 ,  F04D29/54 ,  F01D5/14 ,  B29L31/08

Abstract: A gas turbine engine and a composite apparatus is disclosed. The gas turbine engine includes a composite apparatus body formed from a composite material, the composite material including a three dimensional preform, the three dimensional preform including a plurality of warp fibers disposed in a warp direction in a first plane, a plurality of fill fibers disposed in a fill direction, wherein the fill direction is perpendicular to the warp direction in the first plane, a plurality of z-yarn fibers disposed in a z-yarn direction, wherein the z-yarn direction intersects the warp direction through the first plane, and a plurality of bias fibers disposed in a bias direction, wherein the bias direction is not aligned with the warp direction and the fill direction.

公开(公告)号：US20180243788A1

公开(公告)日：2018-08-30

申请号：US15964998

申请日：2018-04-27

Applicant: United Technologies Corporation

Inventor： Rajiv A. Naik ,  John D. Riehl ,  Larry Foster

IPC: B05D3/12 ,  B32B7/08 ,  B32B27/08

CPC classification number: B05D3/12 ,  B29C70/081 ,  B32B7/08 ,  B32B27/08 ,  B32B2255/10 ,  B32B2255/20 ,  B32B2260/021 ,  B32B2260/046 ,  B32B2305/076

Abstract: A composite article including a multiple of composite layers impregnated with a polymer matrix; and a nanotube material that facilitates a mechanical interlock between at least two of the multiple of composite layers. A method of manufacturing a composite article including a multiple of composite layers within a polymer matrix; and distributing a nanotube material between at least two of the multiple of composite layers to facilitate a mechanical interlock between the at least two of the multiple of composite layers adjacent an otherwise relatively low strength interlaminar interface region of the composite article.

公开(公告)号：US08696319B2

公开(公告)日：2014-04-15

申请号：US13886043

申请日：2013-05-02

Applicant: United Technologies Corporation

Inventor： Rajiv A. Naik

IPC: F01D5/14

CPC classification number: F01D5/147 ,  B29B11/16 ,  B29C70/24 ,  B29D99/0025 ,  B29L2031/08 ,  D03D11/00 ,  D03D13/004 ,  D03D25/005 ,  D10B2505/02 ,  F01D5/282 ,  F05D2250/20 ,  F05D2300/6012 ,  Y10T29/49337 ,  Y10T29/49801 ,  Y10T442/3195

Abstract: A composite blade has a root and a tip in a spanwise direction and a leading edge and a trailing edge in a chordwise direction. The composite blade includes a three-dimensional woven preform having weft yarns and warp yarns. The weft yarns extend in the spanwise direction of the composite blade. The warp yarns interweave the weft yarns and extend in the chordwise direction of the blade.

Abstract translation: 复合叶片具有根部和在翼展方向上的尖端，并且沿着弦方向具有前缘和后缘。 复合叶片包括具有纬纱和经纱的三维编织预制件。 纬纱在复合叶片的翼展方向上延伸。 经纱与纬纱交织并沿叶片的弦向延伸。